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紫斑牡丹及其一新亚种

洪德元   

  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1998-11-10 发布日期:1998-11-10
  • 通讯作者: 洪德元

Paeonia rockii and Its One New Subspecies from Mt. Taibai, Shaanxi of China

HONG De-Yuan   

  • Received:1900-01-01 Revised:1900-01-01 Online:1998-11-10 Published:1998-11-10
  • Contact: HONG De-Yuan

摘要:

本文回顾了有关紫斑牡丹的调查和分类历史。它曾被混同于 P.suffruticosa,P.papaveracea
及P.suffruticosa var.papaveracea。它以叶2至3回羽状复叶,小叶17~33,花瓣白色,基部有大紫斑,
花丝黄色,花盘和柱头淡黄色区别于近缘种。种下分化为两个异域的亚种;秦岭北坡的紫斑牡丹小叶全
部或大部分分裂,是一个新亚种,P.rockii subsp.taibaishanica,而P.rockii subsp.linyanshanii T.
Hong et G.L.ostii则是P.rockii subsp.rockii的多余名。

关键词: 紫斑牡丹, 太白山紫斑牡丹, 分类, 分布

Abstract:

The history of exploration and classification of Paeonia rockii is reviewed in the
present paper. Two allopatric subspecies in this species are recognized. The new subspecies,
subsp, taibaishanica Hong, found on northern slope of the Qingling Range has leaflets ovate
or rounded, totally or mostly lobed. P. rockii subsp, linyanshanii T. Hong et G. L. Osti
is found to be a superfluous name of P. rockii subsp, rockii.

Key words: Paeonia rockii, P.rockii subsp.Taibaishanica, Classification, Distribution